Skip site navigation (1)Skip section navigation (2)
Date:      Thu, 15 Nov 2001 14:21:16 +0100
From:      Tomi =?ISO-8859-2?Q?Malen=B9ek?= <tomi@t-media.si>
To:        freebsd-security@FreeBSD.ORG
Subject:   Question about  PPP built-in NAT.
Message-ID:  <3BF3C14C.3000603@t-media.si>

next in thread | raw e-mail | index | archive | help
Hello all.

I use FreeBSD 4.4-RELEASE PC with our ADSL line to make internet 
available to other LAN members. I do this by enabling pppnat in 
/etc/rc.conf:
----
ppp_nat="YES"   # if you want to enable nat for your local network
----

Everything work fine, but there is a little problem :) Our ADSL provider 
forcibly disconnect every ADSL user on a 12 hour interval (to prevent 
having static IP) so every 12 hour my FreeBSD box get new IP. But i 
discover that FreeBSD remember every IP which ADSL device have. After a 
few days of ruuning on a ADSL connection ifconfig shows that for ADSL 
device:

----
tun0: flags=8051<UP,POINTOPOINT,RUNNING,MULTICAST> mtu 1492
         inet6 fe80::280:adff:fe84:6d7e%tun0 prefixlen 64 scopeid 0x8
         inet 213.250.63.162 --> 255.255.255.255 netmask 0xffffffff
         inet 213.250.18.154 --> 255.255.255.255 netmask 0xffffffff
         inet 213.250.63.99 --> 193.189.161.74 netmask 0xffffff00
         Opened by PID 107
----

How to prevent FreeBSD to remember all IP's they have and use only the 
last one? Because after a while, when a ADSL device get at least 3 or 
more IP's internet stop working ans i need to reboot FreeBSD box. Is 
there any better solution for box to work nonstop wothout rebooting?


Thank you for all answers.


To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-security" in the body of the message




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?3BF3C14C.3000603>